Dental Anatomy

Question 1

At what age do all premolars begin calcifiacation?

Answer 1

2 year old

Question 2

8 yr old boy breaks permanent maxillary centrals, how long do you have to wait for root canal?

Answer 2

2 more years

Question 3

7 weeks pregnant, what doesn’t occur?

Answer 3

Enamel calcification

Question 4

When does man 2nd molar complete root/apex formation?

Answer 4

15 years old

Question 5

Compare to permanent teeth, primary teeth are?

Answer 5

more bulbous, constricted, and smaller occlusal table

Question 6

Order eruption of primary maxillary

Answer 6

Central - lateral- 1st molar - canine - 2nd molar

Question 7

Primarily maxillary central ____MD than IC

Answer 7

wider

Question 8

which primarily tooth has a crown similar to premolar & roots similar to molar?

Answer 8

Primary maxillary 1st

Question 9

Which 2 primary teeth have prominent cervical ridge?

Answer 9

max and mand 1st molars

Question 10

Which primary teeth is unlike any other?

Answer 10

Mand 1st: 2 roots & 4 cusps

Question 11

Most prominent cusps on a primary man 1st is between which cusps?

Answer 11

MB & ML

Question 12

Which primary tooth has 4 cusps, 2 roots & a prominent cervical ridge on the facial?

Answer 12

Mand 2nd

Question 13

Which cusps is the tallest cusp of the primary mandibular 1st molar?

Answer 13

ML

MB is the biggest

Question 14

12 year old pt still has which primary teeth?

Answer 14

KT

Question 15

What is the most scalloped tooth?

Answer 15

Mesial of Max Central Incisors

Question 16

If you look at the midline of incisal edge of central incisors, where would it be in relation to the root of the tooth?

Answer 16

Centered

Max are center while mand are lingual except maxillary canine that is facial

Question 17

Which tooth is least likely to have a divided canal?

Answer 17

Maxillary Centrals

Question 18

Max Central incisors is cut at CEJ, what is is the outline?

Answer 18

Triangular

Question 19

How to perm max central different from primary?

Answer 19

No mamelons

Question 20

Girl has no caries except on max lateral, why?

Answer 20

Lingual groove that goes into gingival

Question 21

What is the groove of maxillary lateral that extends from enamel to cementum?

Answer 21

Palato-radicular groove

Question 22

Why would you have a problem with root planning maxillary lateral?

Answer 22

Inciso-apical fissure

Question 23

Which tooth is most likely to be tri-furcated?

Answer 23

Max 1st PM

Question 24

What is the only tooth with longer mesial slope than distal?

Answer 24

Max 1st PM

Question 25

In which tooth is the lingual dimensions greater than buccal dimensions?

Answer 25

Max 1st molar

Question 26

On max 1st molar, oblique ridge is formed between which 2 cusps? What are 2 obtuse angles of max 1st molars?

Answer 26

ML & DB

Question 27

Which 2 teeth are more likely to have 3 cusps?

Answer 27

Max 2nd molar & mand 2nd PM

Question 28

Which mandibular teeth have lingual curve on the distal incisal edge & a cingulum offset to the distal?

Answer 28

Lateral incisors

Question 29

Which anterior teeth is most likely to be bifurcated?

Answer 29

Mand Canine

Question 30

Which mand teeth has a emesial outline form that's striaght?

Answer 30

Mand Canine

Question 31

Which premolar is most likely to exhibit pits & has a square occlusal surface?

Answer 31

Mand. 2nd

Question 32

Where is the highest cusp in a mand Y-type 2nd?

Answer 32

lingual

Question 33

Mand canine erupts ____premolars

Answer 33

before

Question 34

Y shape mand 2nd PM is made by a combination of what grooves?

Answer 34

Central & lingual

Question 35

Which cusp is not a primary developmental cusp of maxillary 1st molars?

Answer 35

DL

Question 36

What causes mottling of teeth? A child has brown pits on their enmael, what's the cause?

Answer 36

Fluorosis

Question 37

Patient had brown& grey tooth discoloration on PM, canine, and 2nd molars, but anterior were spared. When was the patient given tetracycline?

Answer 37

Before age 2

Question 38

What's the MOA of tetracycline?

Answer 38

Inhibit protein synthesis/ translation by blocks 30s ribosome subunit